A man living with her was thinking about marriage. She had a good relationship with her sister Sachiko. One day, a sudden heavy rain stopped the train, her sister became a refugee home and came to her close sister. However, she is stuck at work and becomes a refugee home, and it becomes clear with Sachiko who is sister-in-law sister. The scuffed Sachi cut the whole body, and she lost the reason, and deprived her lips.